Bip39 compliant passphrase https://www.storeboard.com/blogs/ai-for-small-business/browsing-the-globe-of-bitcoin-addresses-the-value-of-bip39/6240727 BIP85: A more recent proposal letting the deterministic derivation of several BIP39 mnemonic seeds from the grasp seed. The amount of protection does a passphrase add? A BIP39 passphrase significantly improves your Bitcoin wallet’s protec... https://socialevity.com/story22759176/bip39-phrase-generator-rumored-buzz-on-bip39-generator-https-cutt-ly-uryc5rw7